These time-actuated controls have solid state electronics and can be mounted in any position.
The Draw-Tite Activator Timed Brake Controller is a great choices for your basic, economical, and light-duty towing needs. Activator Electronic Brake Control;For 1 to 2 axle trailers;Time actuated;Not recommended for use with BMW x5 Sport Utility Vehicle;California Residents: WARNING DrawTite Activator Electronic Brake Control - 5100 A couple of major benefits of timed brake controllers are quick and easy installation, and its ability to easily integrate with the late-model OEM wiring harness under your vehicles dash. With a Timed (sometimes referred to as Time Delayed) brake controller, when you step on the vehicle brakes, a predetermined amount of braking power is sent to the trailer and then there is a delay as the unit ramps up to full braking power.